US9742073B2 - Method for manufacturing an aperiodic array of electromagnetic scatterers, and reflectarray antenna - Google Patents
Method for manufacturing an aperiodic array of electromagnetic scatterers, and reflectarray antenna Download PDFInfo
- Publication number
- US9742073B2 US9742073B2 US13/395,628 US201013395628A US9742073B2 US 9742073 B2 US9742073 B2 US 9742073B2 US 201013395628 A US201013395628 A US 201013395628A US 9742073 B2 US9742073 B2 US 9742073B2
- Authority
- US
- United States
- Prior art keywords
- synthesis
- array
- electromagnetic
- parameters
- scatterers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active, expires
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0018—Space- fed arrays
Definitions
- FIG. 3 the layout of an aperiodic and conformal, two-dimensional, multi-reflective system
- Antenna (or radiating element) is taken to mean a device able to radiate/receive an electromagnetic field.
- the object of the invention is an aperiodic conformal (multi)-reflectarray, i.e. an antenna system constituted by one or more feeds, by at least one aperiodic conformal reflectarray and, possibly, by reflectors, all operating in cascade.
- aperiodic conformal (multi)-reflectarray i.e. an antenna system constituted by one or more feeds, by at least one aperiodic conformal reflectarray and, possibly, by reflectors, all operating in cascade.
- the reflectarray or arrays are two-dimensional will be considered explicitly, but the one-dimensional case is also part of the invention.
- the synthesis algorithm must be also equipped with appropriate (possibly polynomial) representations of the degrees of freedom which may, during global optimization via multi-stage approaches or in local optimizations during the intermediate optimization stages, reduce the number of parameters to be identified thereby strengthening the reliability of the identified solution, further reducing the computational burden and guaranteeing the control and satisfaction of the design constraints.
- A (A co , A cr ) is the operator, based on the model in eq. (1), which links the aforementioned parameters for identification to the co-polar and cross-polar components of the field E co and E cr , respectively, in modulus and phase, is the set of functions specified by the aforementioned design specifications, is the projection operator with regard to .
- Said product can be evaluated as a succession of sums and column-row products or, more effectively, through optimized procedures for the calculation of matrix-vector products of the Strassen-Winograd type.
- the first approach has a computational complexity of the N 2 type, while said optimized procedures are superior in performance, having a computational complexity that hits N log 5 N, depending on the symmetries of the matrix B which it is possible to use.
- the scaling constant ⁇ can be selected so that
- the constraint would be imposed with reference to the distance between the elements (adjacent and non-adjacent) in the space (x, y, z) or along the reflective surface, possibly taking into account the electromagnetic characteristics of the substrate.
- the constraint imposed on the distance in the space (x, y, z) may prove to be sufficient.
Abstract
Description
-
- at least one one- or two-dimensional array of electromagnetic scatterers in which said scatterers are arranged aperiodically on a curved line or surface; and
- at least one receiving and/or transmitting feed, cooperating with said array to generate an antenna beam.
-
- a design phase, comprising the identification of a set of physical and/or geometrical parameters of said array as a function of design specifications; and
- a phase of physically making the array based on said parameters;
-
- a first stage, based on a continuous modelling of the array;
- one or more intermediate stages, based on a phase-only discrete modelling of the array; and
- a final refinement stage.
-
- the scattering characteristics of the reflectarray elements;
- the geometry of the surfaces constituting the reflector antenna arrays and of any reflectors;
- the position and orientation of each scattering element on the relevant surfaces.
-
- r>>λ
- r>>D
- r>2D2/λ
where β=2π/λ.
where ζ is the intrinsic impedance of the void and Ping is the antenna input power [1, 2].
-
- Eco and Ecr are the co-polar and cross-polar components of the far field, respectively;
- u=sin θ cos φ, v=sin θ sin φ;
is the scattering matrix of the n-th element [1];
-
- E f
n =(E f·îξn , Ef·îηn ); - Qn is the matrix which transforms the cartesian components, in the frame Onξn, ηn, of the field scattered by the n-th patch into the co-polar and cross-polar components of the far field of the reflectarray, and β=2π/λ is the wave number.
- E f
-
- xn, yn and g;
- d n=(dn
1 , dn2 , . . . , dnL ) which represents the vector of the control parameters of the n-th patch, in which the control parameters are the parameters which characterize the element and which must be identified during the synthesis process; - the angles θn and φn which define the orientation of the n-th patch in the reference frame Onξnηnζn;
- the direction cosines of the angles of incidence of the primary field
and
-
- The support surface g;
- The positions of the elements on said surface: x=(x1, x2, . . . , xN), y=(y1, y2, . . . , yN);
- The matrix D, whose generic element is dn1, which expresses the geometrical and physical features of the elements;
- The orientations of the elements: θ=(θ1, θ2, . . . , θN) and φ=(φ1, φ2, . . . , φN).
g(x,y)=Σk=1 K s kχk(x,y) (2)
-
- x, and y,
- s=(s1, s2, . . . , sK)
- D,
- θ and φ.
Φ( x,y,s,D ,θ,φ)=∥A co( x,y,s,D ,θ,φ)−(A co(( x,y,s,D ,θ,φ))∥2 +∥A cr( x,y,s,D ,θ,φ)−(A co(( x,y,s,D ,θ,φ))∥2 (3)
Φ( x,y,s,D ,θ,φ)=∥A co( x,y,s,D ,θ,φ)−(A co( x,y,s,D ,θ,φ))∥2 +A cr( x,y,s,D ,θ,φ)−(A cr( x,y,s,D ,θ,φ))∥2 (4)
Φ( x,y,s,D ,θ,φ)=Σi ∥A co( x,y,s,D,θ,φ,f i)−(A co( x,y,s,D,θ,φ,f i))∥2+Σi ∥A cr( x,y,s,D,θ,φ,f i)−(A cr( x,y,s,D,θ,φ,f i))∥2 (6)
(x,y)=Σn=1 N
and
(x,y)=Σn=1 N
Φ( a,b )=∥A co( a,b )−(A co( a,b ))∥2, (11)
F(u,v)=Σn=1 N a n e jβ(ux
it emerges that, generally speaking, the relation (13) does not represent a Fourier transform relation between the patch excitations and the far field, since, for a non-planar reflectarray, zn≠0. Therefore, fast algorithms based on the use of FFT are not immediately usable.
F(u′,v′)=Σn=1 N a′ n e jβ[u′x
ψn=Σt=1 T c tΨt(x n ,y n) (18)
Φ( c )=∥A co( C )−(A co( c ))∥2 +∥A cr( c )−(A cr( c ))∥2 (19)
(x,y)=(h(p,q),l(p,q)) (20)
(x n ,y n)=(h(p n ,q n),l(p n ,q n)) (22)
Φ(α,β, s,c )=∥A co(α,β, s,c )−(A co(α,β, s,c ))∥2 +∥A cr(α,β, s,c )−(A cr(α,β, s,c )∥2 (23)
Φco( c )=∥A co( c )−(A co( c ))∥2 (26)
coincides with
Φco( x,y,s,D ,θ,φ)=∥A co( x,y,s,D ,θ,φ)−(A co( x,y,s,D ,θ,φ))∥2 (28)
′=κ+ρ, (30)
ψ′(x,y)=αψ(x,y). (31)
g′(x,y)=αg(x,y). (34)
dx=g 11 dp (36)
and
dy=g 22 dq. (37)
Therefore, imposing
1≦g 11 <m 1 (38)
and
1≦g 22 <m 2, (39)
(x n −x m)2+(y n −y m)2≦(x n −x m)2+(y n −y m)2+(z n −z m)2 (40)
Φ( x,y,s,D,V 1 ,V 2 , . . . , V N
Φ( c 1 ,c 2 , . . . , c N
- [1]. O. M. Bucci, A. Capozzoli, G. D'Elia, S. Musto, “A new approach to the power pattern synthesis of reflectarrays”, Proc. of the 2004 URSI EMTS Symp., Pisa, Italy, May 23-27, 2004, pp. 1053-1055.
- [2]. O. M. Bucci, A. Capozzoli, G. D'Elia, P. Maietta, S. Russo, “An advanced reflectarray design technique”, Proc. of the 28th ESA Antenna Workshop on Space Antenna Syst. and Tech., Noordwijk, The Netherlands, May 31-Jun. 3, 2005, pp. 455-459.
- [3]. O. M. Bucci, A. Capozzoli, G. D'Elia, S. Russo, “Power pattern synthesis of reflectarrays: comparison between two approaches”, Proc. of the XV Riunione Nazionale di Elettromagnetismo, Cagliari, Italy, Sep. 13-16, 2004, CD ROM.
- [4]. A. Capozzoli, G. D'Elia, S. Russo, M. Tutucci, “Power pattern synthesis of reconfigurable shaped-beam reflectarrays”, Proc. of the 9th Int. Conf. on Electromagn. in Adv. Appl., Turin, Italy, Sep. 12-16, 2005, pp. 819-822.
- [5]. L. Marnat, R. Loison, R. Gillard, D. Bresciani, H. Legay, <<Accurate Synthesis of a Dual Linearly Polarized Reflectarray>>, 3rd EUCAP, European Conference on Antennas and Propagation, Berlin, March 2009.
- [6]. A. Capozzoli, C. Curcio, G. D'Elia, A. Liseno, “Fast power pattern synthesis of conformal reflectarrays”, Proc. of the IEEE Int. Symp. on Antennas Prop., San Diego, Calif., Jul. 5-11, 2008, CD ROM.
- [7]. A. Capozzoli, G. D'Elia, “Global optimization and antennas synthesis and diagnostics, part one: concepts, tools, strategies and performances”, Progr. Electromagn. Res. PIER, vol. 56, pp. 195-232, 2006.
- [8]. A. Capozzoli, C. Curcio, G. D'Elia, A. Liseno, “Power pattern synthesis of multifeed reconfigurable reflectarrays”, Proc. of the 29th ESA Antenna Workshop on Multiple Beams Reconfig. Antennas, Noordwijk, The Netherlands, Apr. 18-20, 2007, CD ROM.
- [9]. C. A. Balanis, Antenna Theory: Analysis and Design, John Willey & Sons, New York, 1997.
- [10]. M. Frigo, S. G. Johnson, “The design and implementation of FFTW,” Proc. of the IEEE, vol. 93, n. 2, pp. 216-231, Feb. 2005.
- [11]. M. Bläser, “Lower bounds for the multiplicative complexity of matrix multiplication”, Comput. Complex., vol. 8, n. 3, pp. 203-226, December 1999.
- [12]. K. Fourmont, “Non-equispaced fast Fourier transforms with applications to tomography,” J. Fourier Anal. Appl., vol. 9, n. 5, pp. 431-450, September 2003.
- [13]. J. Y. Lee, L. Greengard, “The type 3 nonuniform FFT and its applications”, J. Comput. Phys., vol. 206, n. 1, pp. 1-5, June 2005.
- [14]. A. H. G. Rinnooy Kan, G. T. Timmer, “Stochastic global optimization methods part I: clustering methods”, Math. Program., vol. 39, n. 1, pp. 27-56, September 1987.
- [15]. A. H. G. Rinnooy Kan, G. T. Timmer, “Stochastic global optimization methods part II: multi level methods”, Math. Program., vol. 39, n. 1, pp. 57-78, September 1987.
- [16]. O. M. Bucci, A. Capozzoli, C. Curcio, G. D'Elia, “The scattering matrix for reflectarray antennas”, Atti della Fondazione Giorgio Ronchi, LXV, 1, 17 (2010).
- [17]. M. Bucci, G. Franceschetti, G. Mazzarella, G. Panariello, “Intersection approach to array synthesis”, IEE Proc. Pt. H, Microw., Antennas Prop., vol. 137, n. 6, pp. 349-357, December 1990.
- [18]. A. Capozzoli, C. Curcio, G. D'Elia, A. Liseno, P. Vinetti, “Sensitivity to Positioning Errors in Aperiodic Arrays”, XVII Riunione Nazionale di Elettromagnetismo (RiNEM), Lecce, Italy, 15-19 Sep. 2008.
- [19]. C. Tienda, M. Arrebola, J. A. Encinar, G. Toso “Analysis of parabolic reflectarray in dual-reflector configuration” Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), 2010
- [20]. S. M. Meriah, E. Cambiaggio, F. T., Bendimerad, R. Staraj, J. P. Damiano, L. Brochier “Design of a thinned microstrip-antenna reflectarray using a genetic algorithm” Microwave and optical technology letters (MOTL), vol. 46, issue 6, pages 559-562, 20 Sep. 2005.
- [21]. D. G. Kurup, M. Hindi, A. Rydberg, “Design of Unequally Speced Reflectarray”, IEEE Antennas and Wireless Propagation Letters, Vol. 2, 2003.
Claims (12)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09425356.4 | 2009-09-16 | ||
EP09425356 | 2009-09-16 | ||
EP09425356 | 2009-09-16 | ||
PCT/IB2010/002531 WO2011033388A2 (en) | 2009-09-16 | 2010-09-16 | Aperiodic and non-planar array of electromagnetic scatterers, and reflectarray antenna comprising the same |
Publications (2)
Publication Number | Publication Date |
---|---|
US20120268340A1 US20120268340A1 (en) | 2012-10-25 |
US9742073B2 true US9742073B2 (en) | 2017-08-22 |
Family
ID=43502877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/395,628 Active 2032-06-04 US9742073B2 (en) | 2009-09-16 | 2010-09-16 | Method for manufacturing an aperiodic array of electromagnetic scatterers, and reflectarray antenna |
Country Status (4)
Country | Link |
---|---|
US (1) | US9742073B2 (en) |
EP (1) | EP2478591B1 (en) |
DK (1) | DK2478591T3 (en) |
WO (1) | WO2011033388A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11637382B2 (en) * | 2020-08-03 | 2023-04-25 | Rohde & Schwarz Gmbh & Co. Kg | Method for manufacturing an antenna array, antenna array, and test system |
Families Citing this family (178)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011033388A2 (en) * | 2009-09-16 | 2011-03-24 | Agence Spatiale Europeenne | Aperiodic and non-planar array of electromagnetic scatterers, and reflectarray antenna comprising the same |
KR20130141527A (en) | 2010-10-15 | 2013-12-26 | 시리트 엘엘씨 | Surface scattering antennas |
US9113347B2 (en) | 2012-12-05 | 2015-08-18 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US10009065B2 (en) | 2012-12-05 | 2018-06-26 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US9385435B2 (en) | 2013-03-15 | 2016-07-05 | The Invention Science Fund I, Llc | Surface scattering antenna improvements |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9923271B2 (en) | 2013-10-21 | 2018-03-20 | Elwha Llc | Antenna system having at least two apertures facilitating reduction of interfering signals |
US9647345B2 (en) | 2013-10-21 | 2017-05-09 | Elwha Llc | Antenna system facilitating reduction of interfering signals |
US8897697B1 (en) | 2013-11-06 | 2014-11-25 | At&T Intellectual Property I, Lp | Millimeter-wave surface-wave communications |
US9935375B2 (en) | 2013-12-10 | 2018-04-03 | Elwha Llc | Surface scattering reflector antenna |
US9209902B2 (en) | 2013-12-10 | 2015-12-08 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US20150171512A1 (en) | 2013-12-17 | 2015-06-18 | Elwha Llc | Sub-nyquist holographic aperture antenna configured to define selectable, arbitrary complex electromagnetic fields |
CN104933212A (en) * | 2014-03-18 | 2015-09-23 | 南京理工大学 | Prediction method of antenna pattern disturbance on electrically large platform |
US9843103B2 (en) | 2014-03-26 | 2017-12-12 | Elwha Llc | Methods and apparatus for controlling a surface scattering antenna array |
US9448305B2 (en) * | 2014-03-26 | 2016-09-20 | Elwha Llc | Surface scattering antenna array |
US9882288B2 (en) | 2014-05-02 | 2018-01-30 | The Invention Science Fund I Llc | Slotted surface scattering antennas |
US9711852B2 (en) | 2014-06-20 | 2017-07-18 | The Invention Science Fund I Llc | Modulation patterns for surface scattering antennas |
US10446903B2 (en) | 2014-05-02 | 2019-10-15 | The Invention Science Fund I, Llc | Curved surface scattering antennas |
US9853361B2 (en) | 2014-05-02 | 2017-12-26 | The Invention Science Fund I Llc | Surface scattering antennas with lumped elements |
US9692101B2 (en) | 2014-08-26 | 2017-06-27 | At&T Intellectual Property I, L.P. | Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire |
US9768833B2 (en) | 2014-09-15 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | At&T Intellectual Property I, L.P. | Method and apparatus that provides fault tolerance in a communication network |
US9685992B2 (en) | 2014-10-03 | 2017-06-20 | At&T Intellectual Property I, L.P. | Circuit panel network and methods thereof |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9762289B2 (en) | 2014-10-14 | 2017-09-12 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting or receiving signals in a transportation system |
US9973299B2 (en) | 2014-10-14 | 2018-05-15 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9769020B2 (en) | 2014-10-21 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for responding to events affecting communications in a communication network |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module and methods for use therewith |
US9520945B2 (en) | 2014-10-21 | 2016-12-13 | At&T Intellectual Property I, L.P. | Apparatus for providing communication services and methods thereof |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US9577306B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9627768B2 (en) | 2014-10-21 | 2017-04-18 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9800327B2 (en) | 2014-11-20 | 2017-10-24 | At&T Intellectual Property I, L.P. | Apparatus for controlling operations of a communication device and methods thereof |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US9954287B2 (en) * | 2014-11-20 | 2018-04-24 | At&T Intellectual Property I, L.P. | Apparatus for converting wireless signals and electromagnetic waves and methods thereof |
US10243784B2 (en) | 2014-11-20 | 2019-03-26 | At&T Intellectual Property I, L.P. | System for generating topology information and methods thereof |
US9742462B2 (en) | 2014-12-04 | 2017-08-22 | At&T Intellectual Property I, L.P. | Transmission medium and communication interfaces and methods for use therewith |
US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US9544006B2 (en) | 2014-11-20 | 2017-01-10 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing and methods for use therewith |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US9680670B2 (en) | 2014-11-20 | 2017-06-13 | At&T Intellectual Property I, L.P. | Transmission device with channel equalization and control and methods for use therewith |
US9654173B2 (en) | 2014-11-20 | 2017-05-16 | At&T Intellectual Property I, L.P. | Apparatus for powering a communication device and methods thereof |
US10144036B2 (en) | 2015-01-30 | 2018-12-04 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium |
US9876570B2 (en) | 2015-02-20 | 2018-01-23 | At&T Intellectual Property I, Lp | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9749013B2 (en) | 2015-03-17 | 2017-08-29 | At&T Intellectual Property I, L.P. | Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium |
US10224981B2 (en) | 2015-04-24 | 2019-03-05 | At&T Intellectual Property I, Lp | Passive electrical coupling device and methods for use therewith |
US9705561B2 (en) | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
US9948354B2 (en) | 2015-04-28 | 2018-04-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device with reflective plate and methods for use therewith |
US9793954B2 (en) | 2015-04-28 | 2017-10-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device and methods for use therewith |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and methods for use therewith |
US9871282B2 (en) | 2015-05-14 | 2018-01-16 | At&T Intellectual Property I, L.P. | At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric |
US9748626B2 (en) | 2015-05-14 | 2017-08-29 | At&T Intellectual Property I, L.P. | Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium |
US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
US10103801B2 (en) | 2015-06-03 | 2018-10-16 | At&T Intellectual Property I, L.P. | Host node device and methods for use therewith |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device and methods for use therewith |
US10812174B2 (en) | 2015-06-03 | 2020-10-20 | At&T Intellectual Property I, L.P. | Client node device and methods for use therewith |
US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US9608692B2 (en) | 2015-06-11 | 2017-03-28 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US10142086B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
CN104992000B (en) * | 2015-06-18 | 2018-03-16 | 哈尔滨工业大学 | A kind of Wave beam forming and beam pattern optimization method based on L-type array antenna |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US9836957B2 (en) | 2015-07-14 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating with premises equipment |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
US10033107B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
US9793951B2 (en) | 2015-07-15 | 2017-10-17 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10784670B2 (en) | 2015-07-23 | 2020-09-22 | At&T Intellectual Property I, L.P. | Antenna support for aligning an antenna |
US9749053B2 (en) | 2015-07-23 | 2017-08-29 | At&T Intellectual Property I, L.P. | Node device, repeater and methods for use therewith |
US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9912027B2 (en) | 2015-07-23 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US10020587B2 (en) | 2015-07-31 | 2018-07-10 | At&T Intellectual Property I, L.P. | Radial antenna and methods for use therewith |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US10136434B2 (en) | 2015-09-16 | 2018-11-20 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel |
US10009063B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal |
US10009901B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations |
US10079661B2 (en) | 2015-09-16 | 2018-09-18 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a clock reference |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US9882277B2 (en) | 2015-10-02 | 2018-01-30 | At&T Intellectual Property I, Lp | Communication device and antenna assembly with actuated gimbal mount |
US10665942B2 (en) | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
CN105302992A (en) * | 2015-11-19 | 2016-02-03 | 上海无线电设备研究所 | Quick optimization and simulation design method for stirrer in reverberation chamber |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US10361481B2 (en) | 2016-10-31 | 2019-07-23 | The Invention Science Fund I, Llc | Surface scattering antennas with frequency shifting for mutual coupling mitigation |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US10027397B2 (en) | 2016-12-07 | 2018-07-17 | At&T Intellectual Property I, L.P. | Distributed antenna system and methods for use therewith |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10139820B2 (en) | 2016-12-07 | 2018-11-27 | At&T Intellectual Property I, L.P. | Method and apparatus for deploying equipment of a communication system |
US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US10938108B2 (en) | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
CN109325306B (en) * | 2018-10-15 | 2022-11-25 | 中国电子科技集团公司第三十八研究所 | Local plane-based arbitrary curved surface conformal array modeling method |
CN109408958B (en) * | 2018-10-23 | 2022-12-23 | 西安电子科技大学 | Umbrella-shaped antenna average power directional diagram modeling method considering patch splicing errors |
CN109408967B (en) * | 2018-10-27 | 2023-04-07 | 西安航空学院 | Antenna housing system structure integrated optimization algorithm |
US10951333B2 (en) * | 2018-11-16 | 2021-03-16 | Her Majesty the Queen in the Right of Canada, as represented by the Minster of Industry, through the Communications Research Centre Canada | Method of predicting scattering of an electromagnetic wave at a surface with location-dependent scattering properties |
CN110069896B (en) * | 2019-05-29 | 2023-04-07 | 重庆邮电大学 | Vortex electromagnetic wave generation and optimization method based on sparse 2D linear array |
CN110334480B (en) * | 2019-07-26 | 2022-11-22 | 中国电子科技集团公司第五十四研究所 | Design method of secondary surface extended curved surface of double-offset antenna for reducing noise temperature |
CN110765412B (en) * | 2019-09-26 | 2023-05-30 | 哈尔滨工程大学 | Method for solving electromagnetic scattering of electric large object by centroid segmentation wavelet moment method |
CN113065245B (en) * | 2021-03-25 | 2022-04-29 | 电子科技大学 | Method for measuring and detecting antenna feed source machining error of sputtering plate parabolic reflector |
CN114552237B (en) * | 2022-04-25 | 2023-04-07 | 杭州洛微科技有限公司 | Two-dimensional phased array antenna design method and device and two-dimensional phased array antenna |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5283590A (en) * | 1992-04-06 | 1994-02-01 | Trw Inc. | Antenna beam shaping by means of physical rotation of circularly polarized radiators |
US5543809A (en) | 1992-03-09 | 1996-08-06 | Martin Marietta Corp. | Reflectarray antenna for communication satellite frequency re-use applications |
CA2205873A1 (en) | 1997-05-22 | 1998-11-22 | Jafar Shaker | Novel techniques for the cancellation of beam squint in planar printed reflectors |
EP0891003A1 (en) | 1997-07-08 | 1999-01-13 | Hughes Electronics Corporation | Method and apparatus for improving pattern bandwidth of shaped beam reflectarrays |
US20060092087A1 (en) | 2004-11-02 | 2006-05-04 | Lange Mark J | Compensating structures and reflector antenna systems employing the same |
US20070188378A1 (en) | 2006-02-13 | 2007-08-16 | Shidong Li | Method and apparatus for constructing general wireless antenna systems |
US20090211079A1 (en) * | 2008-02-21 | 2009-08-27 | Giovanni Toso | Method of designing and manufacturing an array antenna |
US20120268340A1 (en) * | 2009-09-16 | 2012-10-25 | Agence Spatiale Europeenne | Aperiodic and Non-Planar Array of Electromagnetic Scatterers, and Reflectarray Antenna Comprising the Same |
-
2010
- 2010-09-16 WO PCT/IB2010/002531 patent/WO2011033388A2/en active Application Filing
- 2010-09-16 EP EP10785508.2A patent/EP2478591B1/en active Active
- 2010-09-16 US US13/395,628 patent/US9742073B2/en active Active
- 2010-09-16 DK DK10785508.2T patent/DK2478591T3/en active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5543809A (en) | 1992-03-09 | 1996-08-06 | Martin Marietta Corp. | Reflectarray antenna for communication satellite frequency re-use applications |
US5283590A (en) * | 1992-04-06 | 1994-02-01 | Trw Inc. | Antenna beam shaping by means of physical rotation of circularly polarized radiators |
CA2205873A1 (en) | 1997-05-22 | 1998-11-22 | Jafar Shaker | Novel techniques for the cancellation of beam squint in planar printed reflectors |
EP0891003A1 (en) | 1997-07-08 | 1999-01-13 | Hughes Electronics Corporation | Method and apparatus for improving pattern bandwidth of shaped beam reflectarrays |
US6031506A (en) * | 1997-07-08 | 2000-02-29 | Hughes Electronics Corporation | Method for improving pattern bandwidth of shaped beam reflectarrays |
US20060092087A1 (en) | 2004-11-02 | 2006-05-04 | Lange Mark J | Compensating structures and reflector antenna systems employing the same |
US20070188378A1 (en) | 2006-02-13 | 2007-08-16 | Shidong Li | Method and apparatus for constructing general wireless antenna systems |
US20090211079A1 (en) * | 2008-02-21 | 2009-08-27 | Giovanni Toso | Method of designing and manufacturing an array antenna |
US20120268340A1 (en) * | 2009-09-16 | 2012-10-25 | Agence Spatiale Europeenne | Aperiodic and Non-Planar Array of Electromagnetic Scatterers, and Reflectarray Antenna Comprising the Same |
Non-Patent Citations (26)
Title |
---|
Balanis, C. A., Antenna Theory: Analysis and Design, John Willey & Sons, New York, 1997. |
Blaser, M., Lower Bounds for the Multiplicative Complexity of Matrix Multiplication, Comput. Complex., vol. 8, No. 3, Dec. 1999, 203-226. |
Bucci, M. et al., Intersection Approach to Array Synthesis, IEE Proc. Pt. H, Micro., Antennas Prop., vol. 137, No. 6, Dec. 1990, pp. 349-357. |
Bucci, O. M. et al., A New Appproach to the Power Pattern Synthesis of Relfectarrays, URSI EMTS (2004) 1053-1055. |
Bucci, O. M. et al., Power Pattern Synthesis of Reconfigurable Conformal Arrays With Near-Field Constraints, IEEE Transactions on Antennas and Propogation, vol. 52, No. 1 (2004) 132-141. |
Bucci, O. M. et al., Power Pattern Synthesis of Reflectarrays: Comparison Between Two Approaches, Proc. of the XV Riunione Nazionale di Elettromagnetismo, Cagliari, Italy, Sep. 13-16, 2004, CD ROM. |
Bucci, O. M. et al., The Scattering Matrix for Reflectarray Antennas, Atti Della Fondazione Giorgio Ronchi, LXV,1,17 (2010). |
Bucci, O.M. et al., An Advanced Relfectarray Design Technique, Proc. of the 28th ESA Antenna Workshop on Space Antenna Syst. and Tech., Noordwijk, The Netherlands, May 31-Jun. 3, 2005, pp. 455-459. |
Capozzoli, A. et al., A Design Technique of Reflectarrays With Improved Frequency Performances, The second European Conference on Antennas and Propogation 2007, EuCAP 2007, Feb. 26, 2008. |
Capozzoli, A. et al., Fast Power Pattern Synthesis of Conformal Relfectarrays, Proc. of the IEEE Int. Symp. on Antennas Prop., San Diego, CA, Jul. 5-11, 2008, CD ROM. |
Capozzoli, A. et al., Global Optimization and Antennas Synthesis and Diagnostics, Part One: Concepts, Tools, Strategies and Performances, Progr. Electromagn. Res. PIER, vol. 56, 2006, pp. 195-232. |
Capozzoli, A. et al., Power Pattern Synthesis of Multifeed Reconfigurable Reflectarrays, Proc. of the 29th ESA Antenna Workshop on Multiple Beams Reconfig. Antennas, Noordwijk, The Netherlands, Apr. 18-20, 2007, CD ROM. |
Capozzoli, C. et al., Sensitivity to Positioning Errors in Aperiodic Arrays, XVII Riunione Nazionale di Elettromagnetismo (RiNEM), Lecce, Italy, Sep. 2008, pp. 15-19. |
Capozzoli, G. et al., Power Pattern Synthesis of Reconfigurable Shaped-Beam Reflectarrays, Proc. of the 9th Int. Conf. of Electromagn. In Adv. Appl., Turin, Italy, Sep. 12-16, 2005, pp. 819-822. |
Fourmont, K., Non-Equispaced Fast Fourier Transforms with Applications to Tomography, J. Fourier Anal. Appl., vol. 9, No. 5, Sep. 2003, pp. 431-450. |
Frigo, M. et al., The Design and Implementation of FFTW, Proc. of the IEEE, vol. 93, No. 2, Feb. 2005, pp. 216-231. |
International Search Report and Written Opinion for Application No. PCT/IB2010/002531 dated Mar. 16, 2011. |
Kurup, D. G. et al., Design of an Unequally Spaced Reflectarray, IEEE Antennas and Wireless Propogation Letters, vol. 2 (2003) 33-35. |
Lee, J. Y. et al., The Type 3 Nonuniform FFT and Its Applications, J. Comput. Physc., vol. 206, No. 1, Jun. 205, pp. 1-5. |
Marnat, L. et al., Accurate Synthesis of a Dual Linearly Polarized Reflectarray, 3rd EUCAP, European Conference on Antennas and Propagation, Berlin, Mar. 2009. |
Meriah, S. M. et al., Design of a Thinned Microstrip-Antenna Reflectarray Using a Genetic Algorithm, Microwave and Optical Technology Letters (MOTL), vol. 46, Issue 6, Sep. 20, 2005, pp. 559-562. |
Office Action for corresponding European Application No. 10 785 508.2 dated Aug. 7, 2015. |
Office Action for corresponding European Application No. 10 785 508.2 dated Jul. 11, 2013. |
Rinnooy, A. H. G. et al., Stochastic Global Optimiation Methods Part II: Multi Level Methods, Math. Program., vol. 39, No. 1, Sep. 1987, pp. 57-78. |
Rinnooy, A. H. G. et al., Stochastic Global Optimization Methods Part I: Clustering Methods, Math. Program., vol. 39, No. 1, Sep. 1987, pp. 27-56. |
Tienda, C. et al., Analysis of Parabolic Reflectarray in Dual-Reflector Configuration, Antennas and Propagation (EUCAP), 2010 Proceedings of the Fourth European Conference on, IEEE, Apr. 12, 2010, 5 pages. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11637382B2 (en) * | 2020-08-03 | 2023-04-25 | Rohde & Schwarz Gmbh & Co. Kg | Method for manufacturing an antenna array, antenna array, and test system |
Also Published As
Publication number | Publication date |
---|---|
US20120268340A1 (en) | 2012-10-25 |
EP2478591A2 (en) | 2012-07-25 |
EP2478591B1 (en) | 2020-05-06 |
DK2478591T3 (en) | 2020-06-08 |
WO2011033388A3 (en) | 2011-05-19 |
WO2011033388A2 (en) | 2011-03-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9742073B2 (en) | Method for manufacturing an aperiodic array of electromagnetic scatterers, and reflectarray antenna | |
Nayeri et al. | Radiation analysis approaches for reflectarray antennas [antenna designer's notebook] | |
Chantraine-Bares et al. | A new accurate design method for millimeter-wave homogeneous dielectric substrate lens antennas of arbitrary shape | |
Sauleau et al. | A complete procedure for the design and optimization of arbitrarily shaped integrated lens antennas | |
Rudge | Multiple-beam antennas: Offset reflectors with offset feeds | |
Prado et al. | Improved reflectarray phase-only synthesis using the generalized intersection approach with dielectric frame and first principle of equivalence | |
Capozzoli et al. | Fast phase-only synthesis of conformal reflectarrays | |
Prado et al. | Efficient, accurate and scalable reflectarray phase-only synthesis based on the Levenberg-Marquardt algorithm | |
Arrebola et al. | Accurate analysis of printed reflectarrays considering the near field of the primary feed | |
US20040108961A1 (en) | Shaped-reflector multibeam antennas | |
Capozzoli et al. | Global optimization and antenna synthesis and diagnosis, part two: applications to advanced reflector antennas synthesis and diagnosis techniques | |
Prado | The generalized intersection approach for electromagnetic array antenna beam-shaping synthesis: a review | |
Jouadé et al. | Massively parallel implementation of FETI-2LM methods for the simulation of the sparse receiving array evolution of the GRAVES radar system for space surveillance and tracking | |
Lucci et al. | Phase centre optimization in profiled corrugated circular horns with parallel genetic algorithms | |
Mutonkole | Study of a wideband sinuous feed for reflector antenna applications | |
Potter | S-and x-band rf feed system | |
CN112949193A (en) | Numerical method and system for directional diagram of subarray-level sparse array antenna | |
Feito et al. | Near-field shaped transmitarray antennas: synthesis and impact of phase quantization | |
Bucci et al. | An effective power synthesis technique for shaped, double-reflector multifeed antennas | |
Córcoles et al. | Multiobjective optimization of real and coupled antenna array excitations via primal-dual, interior point filter method from spherical mode expansions | |
Xu et al. | Fast Arrays Synthesis Algorithem by the Matrix Method with Embedded Patterns of Standard Cell | |
Hoblyk et al. | Research and Development of Reflectarray Antennas | |
Prado et al. | Advanced techniques for the analysis and synthesis of reflectarray antennas with applications in near and far fields | |
Pircher | Development of a X-Band, Crosspolarization Compensating Feed Antenna for the Compact Test Range | |
Prado et al. | Research Article Improved Reflectarray Phase-Only Synthesis Using the Generalized Intersection Approach with Dielectric Frame and First Principle of Equivalence |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: AGENCE SPATIALE EUROPEENNE, FRANCE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CAPOZZOLI, AMEDEO;CURCIO, CLAUDIO;LISENO, ANGELO;AND OTHERS;SIGNING DATES FROM 20120524 TO 20120625;REEL/FRAME:028478/0312 |
|
AS | Assignment |
Owner name: AGENCE SPATIALE EUROPEENNE, FRANCE Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE INVENTOR NAMES "GUISEPEE D'ELIA" TO READ --GIUSEPPE D'ELIA" AND "GIOVANNI TOSCO" TO READ --GIOVANNI TOSO-- PREVIOUSLY RECORDED ON REEL 028478 FRAME 0312. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNORS:CAPOZZOLI, AMEDEO;CURCIO, CLAUDIO;LISENO, ANGELO;AND OTHERS;SIGNING DATES FROM 20120524 TO 20120625;REEL/FRAME:029294/0009 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |